64% (2017)

60% (2021)

83% (1961)

50% (1978)

75% (1972)

63% (1997)

50% (1983)

72% (1980)

50% (2000)

50% (1956)

42% (2006)

68% (1981)

54% (1980)

69% (1992)

46% (1995)

51% (1997)

50% (1984)

50% (1988)

50% (1979)

0% (1996)